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Using pg_dump/pg_restore for a database with hypertables will back up all internal tables too, which is sometimes not desired. These scripts allow one to backup regular PostgreSQL tables separately and then pick and choose which hypertables to backup and restore. This also provides a forward-compatible way of backing up and restoring hypertables, since data is dumped to CSV and restored by re-creating and re-inserting the data.
41 lines
1.1 KiB
Bash
Executable File
41 lines
1.1 KiB
Bash
Executable File
#!/bin/bash
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# This script is used for restoring a hypertable from a tarball made with
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# ts_dump.sh. It unarchives the tarball, producing a schema file and data file,
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# which are then restore separately.
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if [[ -z "$1" || -z "$2" ]]; then
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echo "Usage: $0 hypertable tarfile_name"
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echo " hypertable - Hypertable to restore"
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echo " tarfile_name - Name of the tarball created by ts_dump.sh to restore"
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echo " "
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echo "Any connection options for pg_restore/psql (e.g. -d database, -U username) should be listed at the end"
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exit 1
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fi
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HYPERTABLE=$1
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TARFILE=$2
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PREFIX="${TARFILE/.tar.gz/}"
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shift 2
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echo "Unarchiving tarball..."
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tar xvzf $TARFILE
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echo "Restoring hypertable's schema..."
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psql -q -v "ON_ERROR_STOP=1" $@ < $PREFIX-schema.sql
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if [ $? -ne 0 ]; then
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echo "Restoring schema failed, exiting."
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rm $PREFIX-data.csv
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rm $PREFIX-schema.sql
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exit $?
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fi
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echo "Restoring hypertable's data..."
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psql $@ -v "ON_ERROR_STOP=1" -c "\COPY $HYPERTABLE FROM $PREFIX-data.csv DELIMITER ',' CSV"
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if [ $? -ne 0 ]; then
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echo "Restoring data failed, exiting."
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fi
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rm $PREFIX-data.csv
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rm $PREFIX-schema.sql
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